Air pollution control

Air Plan Approval; North Carolina; Minor Revisions to Cotton Ginning Operations Rule

The Environmental Protection Agency (EPA) is proposing to approve a revision to the North Carolina State Implementation Plan (SIP) submitted by the State of North Carolina Department of Environmental Quality, Division of Air Quality, via a letter dated April 13, 2021, and received by EPA on April 14, 2021. This revision contains minor clarifying and typographical edits to North Carolina's cotton ginning operations rule. EPA is proposing to approve these changes pursuant to the Clean Air Act (CAA or Act).

Publication Date: 
Friday, September 24, 2021 - 4:00am

Air Plan Approval; Maryland; Negative Declaration for the Oil and Gas Industry

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of Maryland. This revision provides Maryland's determination, via a negative declaration, that there are no sources within its borders subject to EPA's 2016 Oil and Natural Gas control techniques guidelines (2016 Oil and Gas CTG). EPA is approving these revisions to the Maryland SIP in accordance with the requirements of the Clean Air Act (CAA).

Publication Date: 
Friday, September 24, 2021 - 4:00am

Air Plan Approval; Louisiana; Regional Haze Five-Year Progress Report State Implementation Plan

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving a revision to a State Implementation Plan (SIP) submitted by the Secretary of the Louisiana Department of Environmental Quality (LDEQ) on March 25, 2021. The SIP submittal addresses requirements of Federal regulations that direct the State to submit a periodic report that assesses progress toward regional haze reasonable progress goals (RPGs) and includes a determination of adequacy of the existing implementation plan.

Publication Date: 
Friday, September 24, 2021 - 4:00am

Air Plan Approval; TN; Montgomery County Limited Maintenance Plan for the 1997 8-Hour Ozone NAAQS

The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the State of Tennessee, through the Tennessee Department of Environment and Conservation (TDEC), Air Pollution Control Division, on June 23, 2020. The SIP revision includes the 1997 8-hour ozone national ambient air quality standards (NAAQS) Limited Maintenance Plan (LMP) for the Montgomery County, Tennessee portion of the Clarksville-Hopkinsville Area (hereinafter referred to as the ``Montgomery County Area'' or ``Area'').

Publication Date: 
Thursday, September 23, 2021 - 4:00am

Air Plan Approval; West Virginia; 2020 Amendments to West Virginia's Ambient Air Quality Standards

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of West Virginia. This revision updates West Virginia's incorporation by reference of EPA's national ambient air quality standards (NAAQS) and the associated monitoring reference and equivalent methods. This action is being taken under the Clean Air Act (CAA).

Publication Date: 
Thursday, September 23, 2021 - 4:00am

Air Plan Approval; Iowa; Polk County; State Implementation Plan

The Environmental Protection Agency (EPA) is approving revisions to the Iowa State Implementation Plan (SIP) to include changes to the Polk County Board of Health Rules and Regulations in addition to revisions from past submittals. The revisions update definitions and references to the effective dates of Federal rules approved into the State's SIP, prohibit burning of demolished buildings, update references to methods and procedures for performance test/stack test and continuous monitoring systems, and revise permitting exemptions.

Publication Date: 
Tuesday, September 21, 2021 - 4:00am

Air Plan Approval; North Carolina; Mecklenburg Air Quality Permit Rules Revisions

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision to the Mecklenburg County portion of the North Carolina SIP, hereinafter referred to as the Mecklenburg Local Implementation Plan (LIP). The revision was submitted by the State of North Carolina, through the North Carolina Division of Air Quality (NCDAQ), on behalf of Mecklenburg County Air Quality (MCAQ) via a letter dated April 24, 2020, and was received by EPA on June 19, 2020.

Publication Date: 
Friday, September 17, 2021 - 4:00am

Air Plan Approval; Rhode Island; 2015 Ozone NAAQS Interstate Transport Requirements

The Clean Air Act (CAA) requires each State Implementation Plan (SIP) to contain adequate provisions prohibiting emissions that will have certain adverse air quality effects in other states. The State of Rhode Island made a submission to the Environmental Protection Agency (EPA) to address these requirements for the 2015 ozone National Ambient Air Quality Standards (NAAQS).

Publication Date: 
Wednesday, September 15, 2021 - 4:00am

Air Plan Partial Disapproval; Commonwealth of Pennsylvania; Reasonably Available Control Technology Regulations for the 1997 and 2008 Ozone National Ambient Air Quality Standards

As a result of the Third Circuit Court of Appeals' decision, dated August 27, 2020, in Sierra Club v. U.S. EPA, No. 19-2562 (3rd Cir. 2020), the Environmental Protection Agency (EPA) is proposing to partially disapprove a specific part of a state implementation plan (SIP) revision that had been previously approved by EPA.

Publication Date: 
Wednesday, September 15, 2021 - 4:00am

Air Plan Limited Approval and Limited Disapproval, California; Mojave Desert Air Quality Management District

The Environmental Protection Agency (EPA) is finalizing a limited approval and limited disapproval of a revision to the Mojave Desert Air Quality Management District's (MDAQMD or District) portion of the California State Implementation Plan (SIP). This revision concerns oxides of nitrogen (NO<INF>X</INF>) emissions from stationary internal combustion engines.

Publication Date: 
Friday, September 10, 2021 - 4:00am

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